/* Copyright (c) 2008-2015, The Linux Foundation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 and * only version 2 as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * */ #ifndef __ADRENO_H #define __ADRENO_H #include "kgsl_device.h" #include "kgsl_sharedmem.h" #include "adreno_drawctxt.h" #include "adreno_ringbuffer.h" #include "adreno_profile.h" #include "adreno_dispatch.h" #include "kgsl_iommu.h" #include "adreno_perfcounter.h" #include #include #include "a4xx_reg.h" #ifdef CONFIG_MSM_OCMEM #include #endif #define DEVICE_3D_NAME "kgsl-3d" #define DEVICE_3D0_NAME "kgsl-3d0" #define ADRENO_PRIORITY_MAX_RB_LEVELS 4 /* ADRENO_DEVICE - Given a kgsl_device return the adreno device struct */ #define ADRENO_DEVICE(device) \ container_of(device, struct adreno_device, dev) /* ADRENO_CONTEXT - Given a context return the adreno context struct */ #define ADRENO_CONTEXT(context) \ container_of(context, struct adreno_context, base) /* ADRENO_GPU_DEVICE - Given an adreno device return the GPU specific struct */ #define ADRENO_GPU_DEVICE(_a) ((_a)->gpucore->gpudev) #define ADRENO_CHIPID_CORE(_id) (((_id) >> 24) & 0xFF) #define ADRENO_CHIPID_MAJOR(_id) (((_id) >> 16) & 0xFF) #define ADRENO_CHIPID_MINOR(_id) (((_id) >> 8) & 0xFF) #define ADRENO_CHIPID_PATCH(_id) ((_id) & 0xFF) /* ADRENO_GPUREV - Return the GPU ID for the given adreno_device */ #define ADRENO_GPUREV(_a) ((_a)->gpucore->gpurev) /* ADRENO_GPUREV - Return the GPU patchid for the given adreno_device */ #define ADRENO_PATCHID(_a) ((_a)->gpucore->patchid) /* * ADRENO_FEATURE - return true if the specified feature is supported by the GPU * core */ #define ADRENO_FEATURE(_dev, _bit) \ ((_dev)->gpucore->features & (_bit)) /** * ADRENO_QUIRK - return true if the specified quirk is required by the GPU */ #define ADRENO_QUIRK(_dev, _bit) \ ((_dev)->quirks & (_bit)) /* * ADRENO_PREEMPT_STYLE - return preemption style */ #define ADRENO_PREEMPT_STYLE(flags) \ ((flags & KGSL_CONTEXT_PREEMPT_STYLE_MASK) >> \ KGSL_CONTEXT_PREEMPT_STYLE_SHIFT) /* * return the dispatcher cmdqueue in which the given cmdbatch should * be submitted */ #define ADRENO_CMDBATCH_DISPATCH_CMDQUEUE(c) \ (&((ADRENO_CONTEXT(c->context))->rb->dispatch_q)) #define ADRENO_CMDBATCH_RB(c) \ ((ADRENO_CONTEXT(c->context))->rb) /* Adreno core features */ /* The core uses OCMEM for GMEM/binning memory */ #define ADRENO_USES_OCMEM BIT(0) /* The core supports an accelerated warm start */ #define ADRENO_WARM_START BIT(1) /* The core supports the microcode bootstrap functionality */ #define ADRENO_USE_BOOTSTRAP BIT(2) /* The core supports SP/TP hw controlled power collapse */ #define ADRENO_SPTP_PC BIT(3) /* The core supports Peak Power Detection(PPD)*/ #define ADRENO_PPD BIT(4) /* The GPU supports content protection */ #define ADRENO_CONTENT_PROTECTION BIT(5) /* The GPU supports preemption */ #define ADRENO_PREEMPTION BIT(6) /* The core uses GPMU for power and limit management */ #define ADRENO_GPMU BIT(7) /* The GPMU supports Limits Management */ #define ADRENO_LM BIT(8) /* The core uses 64 bit GPU addresses */ #define ADRENO_64BIT BIT(9) /* Sync between SMMU operations and power collapse */ #define ADRENO_SYNC_SMMU_PC BIT(10) /* * Adreno GPU quirks - control bits for various workarounds */ /* Set TWOPASSUSEWFI in PC_DBG_ECO_CNTL (5XX) */ #define ADRENO_QUIRK_TWO_PASS_USE_WFI BIT(0) /* Flags to control command packet settings */ #define KGSL_CMD_FLAGS_NONE 0 #define KGSL_CMD_FLAGS_PMODE BIT(0) #define KGSL_CMD_FLAGS_INTERNAL_ISSUE BIT(1) #define KGSL_CMD_FLAGS_WFI BIT(2) #define KGSL_CMD_FLAGS_PROFILE BIT(3) #define KGSL_CMD_FLAGS_PWRON_FIXUP BIT(4) #define KGSL_CMD_FLAGS_MEMLIST BIT(5) /* Command identifiers */ #define KGSL_CONTEXT_TO_MEM_IDENTIFIER 0x2EADBEEF #define KGSL_CMD_IDENTIFIER 0x2EEDFACE #define KGSL_CMD_INTERNAL_IDENTIFIER 0x2EEDD00D #define KGSL_START_OF_IB_IDENTIFIER 0x2EADEABE #define KGSL_END_OF_IB_IDENTIFIER 0x2ABEDEAD #define KGSL_END_OF_FRAME_IDENTIFIER 0x2E0F2E0F #define KGSL_NOP_IB_IDENTIFIER 0x20F20F20 #define KGSL_START_OF_PROFILE_IDENTIFIER 0x2DEFADE1 #define KGSL_END_OF_PROFILE_IDENTIFIER 0x2DEFADE2 #define KGSL_PWRON_FIXUP_IDENTIFIER 0x2AFAFAFA #define ADRENO_ISTORE_START 0x5000 /* Istore offset */ #define ADRENO_NUM_CTX_SWITCH_ALLOWED_BEFORE_DRAW 50 /* One cannot wait forever for the core to idle, so set an upper limit to the * amount of time to wait for the core to go idle */ #define ADRENO_IDLE_TIMEOUT (20 * 1000) #define ADRENO_UCHE_GMEM_BASE 0x100000 enum adreno_gpurev { ADRENO_REV_UNKNOWN = 0, ADRENO_REV_A304 = 304, ADRENO_REV_A305 = 305, ADRENO_REV_A305C = 306, ADRENO_REV_A306 = 307, ADRENO_REV_A310 = 310, ADRENO_REV_A320 = 320, ADRENO_REV_A330 = 330, ADRENO_REV_A305B = 335, ADRENO_REV_A405 = 405, ADRENO_REV_A418 = 418, ADRENO_REV_A420 = 420, ADRENO_REV_A430 = 430, ADRENO_REV_A505 = 505, ADRENO_REV_A506 = 506, ADRENO_REV_A510 = 510, ADRENO_REV_A530 = 530, }; #define ADRENO_START_WARM 0 #define ADRENO_START_COLD 1 #define ADRENO_SOFT_FAULT BIT(0) #define ADRENO_HARD_FAULT BIT(1) #define ADRENO_TIMEOUT_FAULT BIT(2) #define ADRENO_IOMMU_PAGE_FAULT BIT(3) #define ADRENO_PREEMPT_FAULT BIT(4) #define ADRENO_SPTP_PC_CTRL 0 #define ADRENO_PPD_CTRL 1 #define ADRENO_LM_CTRL 2 struct adreno_gpudev; struct adreno_busy_data { unsigned int gpu_busy; unsigned int vbif_ram_cycles; unsigned int vbif_starved_ram; }; /** * struct adreno_gpu_core - A specific GPU core definition * @gpurev: Unique GPU revision identifier * @core: Match for the core version of the GPU * @major: Match for the major version of the GPU * @minor: Match for the minor version of the GPU * @patchid: Match for the patch revision of the GPU * @features: Common adreno features supported by this core * @pm4fw_name: Filename for th PM4 firmware * @pfpfw_name: Filename for the PFP firmware * @zap_name: Filename for the Zap Shader ucode * @gpudev: Pointer to the GPU family specific functions for this core * @gmem_size: Amount of binning memory (GMEM/OCMEM) to reserve for the core * @pm4_jt_idx: Index of the jump table in the PM4 microcode * @pm4_jt_addr: Address offset to load the jump table for the PM4 microcode * @pfp_jt_idx: Index of the jump table in the PFP microcode * @pfp_jt_addr: Address offset to load the jump table for the PFP microcode * @pm4_bstrp_size: Size of the bootstrap loader for PM4 microcode * @pfp_bstrp_size: Size of the bootstrap loader for PFP microcde * @pfp_bstrp_ver: Version of the PFP microcode that supports bootstraping * @shader_offset: Offset of shader from gpu reg base * @shader_size: Shader size * @num_protected_regs: number of protected registers * @gpmufw_name: Filename for the GPMU firmware * @gpmu_major: Match for the GPMU & firmware, major revision * @gpmu_minor: Match for the GPMU & firmware, minor revision * @gpmu_features: Supported features for any given GPMU version * @busy_mask: mask to check if GPU is busy in RBBM_STATUS * @lm_major: Limits Management register sequence, major revision * @lm_minor: LM register sequence, minor revision * @regfw_name: Filename for the register sequence firmware * @gpmu_tsens: ID for the temporature sensor used by the GPMU * @max_power: Max possible power draw of a core, units elephant tail hairs */ struct adreno_gpu_core { enum adreno_gpurev gpurev; unsigned int core, major, minor, patchid; unsigned long features; const char *pm4fw_name; const char *pfpfw_name; const char *zap_name; struct adreno_gpudev *gpudev; size_t gmem_size; unsigned int pm4_jt_idx; unsigned int pm4_jt_addr; unsigned int pfp_jt_idx; unsigned int pfp_jt_addr; unsigned int pm4_bstrp_size; unsigned int pfp_bstrp_size; unsigned int pfp_bstrp_ver; unsigned long shader_offset; unsigned int shader_size; unsigned int num_protected_regs; const char *gpmufw_name; unsigned int gpmu_major; unsigned int gpmu_minor; unsigned int gpmu_features; unsigned int busy_mask; unsigned int lm_major, lm_minor; const char *regfw_name; unsigned int gpmu_tsens; unsigned int max_power; }; /** * struct adreno_device - The mothership structure for all adreno related info * @dev: Reference to struct kgsl_device * @priv: Holds the private flags specific to the adreno_device * @chipid: Chip ID specific to the GPU * @gmem_base: Base physical address of GMEM * @gmem_size: GMEM size * @gpucore: Pointer to the adreno_gpu_core structure * @pfp_fw: Buffer which holds the pfp ucode * @pfp_fw_size: Size of pfp ucode buffer * @pfp_fw_version: Version of pfp ucode * @pfp: Memory descriptor which holds pfp ucode buffer info * @pm4_fw: Buffer which holds the pm4 ucode * @pm4_fw_size: Size of pm4 ucode buffer * @pm4_fw_version: Version of pm4 ucode * @pm4: Memory descriptor which holds pm4 ucode buffer info * @gpmu_cmds_size: Length of gpmu cmd stream * @gpmu_cmds: gpmu cmd stream * @ringbuffers: Array of pointers to adreno_ringbuffers * @num_ringbuffers: Number of ringbuffers for the GPU * @cur_rb: Pointer to the current ringbuffer * @next_rb: Ringbuffer we are switching to during preemption * @prev_rb: Ringbuffer we are switching from during preemption * @fast_hang_detect: Software fault detection availability * @ft_policy: Defines the fault tolerance policy * @long_ib_detect: Long IB detection availability * @ft_pf_policy: Defines the fault policy for page faults * @ocmem_hdl: Handle to the ocmem allocated buffer * @profile: Container for adreno profiler information * @dispatcher: Container for adreno GPU dispatcher * @pwron_fixup: Command buffer to run a post-power collapse shader workaround * @pwron_fixup_dwords: Number of dwords in the command buffer * @input_work: Work struct for turning on the GPU after a touch event * @busy_data: Struct holding GPU VBIF busy stats * @ram_cycles_lo: Number of DDR clock cycles for the monitor session * @perfctr_pwr_lo: Number of cycles VBIF is stalled by DDR * @halt: Atomic variable to check whether the GPU is currently halted * @ctx_d_debugfs: Context debugfs node * @pwrctrl_flag: Flag to hold adreno specific power attributes * @cmdbatch_profile_buffer: Memdesc holding the cmdbatch profiling buffer * @cmdbatch_profile_index: Index to store the start/stop ticks in the profiling * buffer * @sp_local_gpuaddr: Base GPU virtual address for SP local memory * @sp_pvt_gpuaddr: Base GPU virtual address for SP private memory * @lm_fw: The LM firmware handle * @lm_sequence: Pointer to the start of the register write sequence for LM * @lm_size: The dword size of the LM sequence * @lm_limit: limiting value for LM * @lm_threshold_count: register value for counter for lm threshold breakin * @lm_threshold_cross: number of current peaks exceeding threshold * @speed_bin: Indicate which power level set to use */ struct adreno_device { struct kgsl_device dev; /* Must be first field in this struct */ unsigned long priv; unsigned int chipid; unsigned long gmem_base; unsigned long gmem_size; const struct adreno_gpu_core *gpucore; unsigned int *pfp_fw; size_t pfp_fw_size; unsigned int pfp_fw_version; struct kgsl_memdesc pfp; unsigned int *pm4_fw; size_t pm4_fw_size; unsigned int pm4_fw_version; struct kgsl_memdesc pm4; size_t gpmu_cmds_size; unsigned int *gpmu_cmds; struct adreno_ringbuffer ringbuffers[ADRENO_PRIORITY_MAX_RB_LEVELS]; int num_ringbuffers; struct adreno_ringbuffer *cur_rb; struct adreno_ringbuffer *next_rb; struct adreno_ringbuffer *prev_rb; unsigned int fast_hang_detect; unsigned long ft_policy; unsigned int long_ib_detect; unsigned long ft_pf_policy; struct ocmem_buf *ocmem_hdl; struct adreno_profile profile; struct adreno_dispatcher dispatcher; struct kgsl_memdesc pwron_fixup; unsigned int pwron_fixup_dwords; struct work_struct input_work; struct adreno_busy_data busy_data; unsigned int ram_cycles_lo; unsigned int starved_ram_lo; unsigned int perfctr_pwr_lo; atomic_t halt; struct dentry *ctx_d_debugfs; unsigned long pwrctrl_flag; struct kgsl_memdesc cmdbatch_profile_buffer; unsigned int cmdbatch_profile_index; uint64_t sp_local_gpuaddr; uint64_t sp_pvt_gpuaddr; const struct firmware *lm_fw; uint32_t *lm_sequence; uint32_t lm_size; struct kgsl_memdesc preemption_counters; struct work_struct gpmu_work; uint32_t lm_leakage; uint32_t lm_limit; uint32_t lm_threshold_count; uint32_t lm_threshold_cross; struct kgsl_memdesc capturescript; struct kgsl_memdesc snapshot_registers; bool capturescript_working; unsigned int speed_bin; unsigned int quirks; }; /** * enum adreno_device_flags - Private flags for the adreno_device * @ADRENO_DEVICE_PWRON - Set during init after a power collapse * @ADRENO_DEVICE_PWRON_FIXUP - Set if the target requires the shader fixup * after power collapse * @ADRENO_DEVICE_CORESIGHT - Set if the coresight (trace bus) registers should * be restored after power collapse * @ADRENO_DEVICE_HANG_INTR - Set if the hang interrupt should be enabled for * this target * @ADRENO_DEVICE_STARTED - Set if the device start sequence is in progress * @ADRENO_DEVICE_FAULT - Set if the device is currently in fault (and shouldn't * send any more commands to the ringbuffer) * @ADRENO_DEVICE_CMDBATCH_PROFILE - Set if the device supports command batch * profiling via the ALWAYSON counter * @ADRENO_DEVICE_PREEMPTION - Turn on/off preemption * @ADRENO_DEVICE_SOFT_FAULT_DETECT - Set if soft fault detect is enabled * @ADRENO_DEVICE_GPMU_INITIALIZED - Set if GPMU firmware initialization succeed * @ADRENO_DEVICE_ISDB_ENABLED - Set if the Integrated Shader DeBugger is * attached and enabled */ enum adreno_device_flags { ADRENO_DEVICE_PWRON = 0, ADRENO_DEVICE_PWRON_FIXUP = 1, ADRENO_DEVICE_INITIALIZED = 2, ADRENO_DEVICE_CORESIGHT = 3, ADRENO_DEVICE_HANG_INTR = 4, ADRENO_DEVICE_STARTED = 5, ADRENO_DEVICE_FAULT = 6, ADRENO_DEVICE_CMDBATCH_PROFILE = 7, ADRENO_DEVICE_GPU_REGULATOR_ENABLED = 8, ADRENO_DEVICE_PREEMPTION = 9, ADRENO_DEVICE_SOFT_FAULT_DETECT = 10, ADRENO_DEVICE_GPMU_INITIALIZED = 11, ADRENO_DEVICE_ISDB_ENABLED = 12, }; /** * struct adreno_cmdbatch_profile_entry - a single command batch entry in the * kernel profiling buffer * @started: Number of GPU ticks at start of the command batch * @retired: Number of GPU ticks at the end of the command batch */ struct adreno_cmdbatch_profile_entry { uint64_t started; uint64_t retired; }; #define ADRENO_CMDBATCH_PROFILE_COUNT \ (PAGE_SIZE / sizeof(struct adreno_cmdbatch_profile_entry)) #define ADRENO_CMDBATCH_PROFILE_OFFSET(_index, _member) \ ((_index) * sizeof(struct adreno_cmdbatch_profile_entry) \ + offsetof(struct adreno_cmdbatch_profile_entry, _member)) /** * adreno_regs: List of registers that are used in kgsl driver for all * 3D devices. Each device type has different offset value for the same * register, so an array of register offsets are declared for every device * and are indexed by the enumeration values defined in this enum */ enum adreno_regs { ADRENO_REG_CP_ME_RAM_WADDR, ADRENO_REG_CP_ME_RAM_DATA, ADRENO_REG_CP_PFP_UCODE_DATA, ADRENO_REG_CP_PFP_UCODE_ADDR, ADRENO_REG_CP_WFI_PEND_CTR, ADRENO_REG_CP_RB_BASE, ADRENO_REG_CP_RB_BASE_HI, ADRENO_REG_CP_RB_RPTR, ADRENO_REG_CP_RB_WPTR, ADRENO_REG_CP_CNTL, ADRENO_REG_CP_ME_CNTL, ADRENO_REG_CP_RB_CNTL, ADRENO_REG_CP_IB1_BASE, ADRENO_REG_CP_IB1_BASE_HI, ADRENO_REG_CP_IB1_BUFSZ, ADRENO_REG_CP_IB2_BASE, ADRENO_REG_CP_IB2_BASE_HI, ADRENO_REG_CP_IB2_BUFSZ, ADRENO_REG_CP_TIMESTAMP, ADRENO_REG_CP_SCRATCH_REG6, ADRENO_REG_CP_SCRATCH_REG7, ADRENO_REG_CP_ME_RAM_RADDR, ADRENO_REG_CP_ROQ_ADDR, ADRENO_REG_CP_ROQ_DATA, ADRENO_REG_CP_MERCIU_ADDR, ADRENO_REG_CP_MERCIU_DATA, ADRENO_REG_CP_MERCIU_DATA2, ADRENO_REG_CP_MEQ_ADDR, ADRENO_REG_CP_MEQ_DATA, ADRENO_REG_CP_HW_FAULT, ADRENO_REG_CP_PROTECT_STATUS, ADRENO_REG_CP_PREEMPT, ADRENO_REG_CP_PREEMPT_DEBUG, ADRENO_REG_CP_PREEMPT_DISABLE, ADRENO_REG_CP_PROTECT_REG_0, ADRENO_REG_CP_CONTEXT_SWITCH_SMMU_INFO_LO, ADRENO_REG_CP_CONTEXT_SWITCH_SMMU_INFO_HI, ADRENO_REG_RBBM_STATUS, ADRENO_REG_RBBM_STATUS3, ADRENO_REG_RBBM_PERFCTR_CTL, ADRENO_REG_RBBM_PERFCTR_LOAD_CMD0, ADRENO_REG_RBBM_PERFCTR_LOAD_CMD1, ADRENO_REG_RBBM_PERFCTR_LOAD_CMD2, ADRENO_REG_RBBM_PERFCTR_LOAD_CMD3, ADRENO_REG_RBBM_PERFCTR_PWR_1_LO, ADRENO_REG_RBBM_INT_0_MASK, ADRENO_REG_RBBM_INT_0_STATUS, ADRENO_REG_RBBM_PM_OVERRIDE2, ADRENO_REG_RBBM_INT_CLEAR_CMD, ADRENO_REG_RBBM_SW_RESET_CMD, ADRENO_REG_RBBM_BLOCK_SW_RESET_CMD, ADRENO_REG_RBBM_BLOCK_SW_RESET_CMD2, ADRENO_REG_RBBM_CLOCK_CTL, ADRENO_REG_VPC_DEBUG_RAM_SEL, ADRENO_REG_VPC_DEBUG_RAM_READ, ADRENO_REG_PA_SC_AA_CONFIG, ADRENO_REG_SQ_GPR_MANAGEMENT, ADRENO_REG_SQ_INST_STORE_MANAGMENT, ADRENO_REG_TP0_CHICKEN, ADRENO_REG_RBBM_RBBM_CTL, ADRENO_REG_UCHE_INVALIDATE0, ADRENO_REG_UCHE_INVALIDATE1, ADRENO_REG_RBBM_PERFCTR_LOAD_VALUE_LO, ADRENO_REG_RBBM_PERFCTR_LOAD_VALUE_HI, ADRENO_REG_RBBM_SECVID_TRUST_CONTROL, ADRENO_REG_RBBM_ALWAYSON_COUNTER_LO, ADRENO_REG_RBBM_ALWAYSON_COUNTER_HI, ADRENO_REG_RBBM_SECVID_TRUST_CONFIG, ADRENO_REG_RBBM_SECVID_TSB_CONTROL, ADRENO_REG_RBBM_SECVID_TSB_TRUSTED_BASE, ADRENO_REG_RBBM_SECVID_TSB_TRUSTED_BASE_HI, ADRENO_REG_RBBM_SECVID_TSB_TRUSTED_SIZE, ADRENO_REG_VBIF_XIN_HALT_CTRL0, ADRENO_REG_VBIF_XIN_HALT_CTRL1, ADRENO_REG_REGISTER_MAX, }; /** * adreno_reg_offsets: Holds array of register offsets * @offsets: Offset array of size defined by enum adreno_regs * @offset_0: This is the index of the register in offset array whose value * is 0. 0 is a valid register offset and during initialization of the * offset array we need to know if an offset value is correctly defined to 0 */ struct adreno_reg_offsets { unsigned int *const offsets; enum adreno_regs offset_0; }; #define ADRENO_REG_UNUSED 0xFFFFFFFF #define ADRENO_REG_SKIP 0xFFFFFFFE #define ADRENO_REG_DEFINE(_offset, _reg) [_offset] = _reg /* * struct adreno_vbif_data - Describes vbif register value pair * @reg: Offset to vbif register * @val: The value that should be programmed in the register at reg */ struct adreno_vbif_data { unsigned int reg; unsigned int val; }; /* * struct adreno_vbif_platform - Holds an array of vbif reg value pairs * for a particular core * @devfunc: Pointer to platform/core identification function * @vbif: Array of reg value pairs for vbif registers */ struct adreno_vbif_platform { int(*devfunc)(struct adreno_device *); const struct adreno_vbif_data *vbif; }; /* * struct adreno_vbif_snapshot_registers - Holds an array of vbif registers * listed for snapshot dump for a particular core * @vbif_version: vbif version * @vbif_snapshot_registers: vbif registers listed for snapshot dump * @vbif_snapshot_registers_count: count of vbif registers listed for snapshot */ struct adreno_vbif_snapshot_registers { const unsigned int vbif_version; const unsigned int *vbif_snapshot_registers; const int vbif_snapshot_registers_count; }; /** * struct adreno_coresight_register - Definition for a coresight (tracebus) * debug register * @offset: Offset of the debug register in the KGSL mmio region * @initial: Default value to write when coresight is enabled * @value: Current shadow value of the register (to be reprogrammed after power * collapse) */ struct adreno_coresight_register { unsigned int offset; unsigned int initial; unsigned int value; }; struct adreno_coresight_attr { struct device_attribute attr; struct adreno_coresight_register *reg; }; ssize_t adreno_coresight_show_register(struct device *device, struct device_attribute *attr, char *buf); ssize_t adreno_coresight_store_register(struct device *dev, struct device_attribute *attr, const char *buf, size_t size); #define ADRENO_CORESIGHT_ATTR(_attrname, _reg) \ struct adreno_coresight_attr coresight_attr_##_attrname = { \ __ATTR(_attrname, S_IRUGO | S_IWUSR, \ adreno_coresight_show_register, \ adreno_coresight_store_register), \ (_reg), } /** * struct adreno_coresight - GPU specific coresight definition * @registers - Array of GPU specific registers to configure trace bus output * @count - Number of registers in the array * @groups - Pointer to an attribute list of control files */ struct adreno_coresight { struct adreno_coresight_register *registers; unsigned int count; const struct attribute_group **groups; }; struct adreno_irq_funcs { void (*func)(struct adreno_device *, int); }; #define ADRENO_IRQ_CALLBACK(_c) { .func = _c } struct adreno_irq { unsigned int mask; struct adreno_irq_funcs *funcs; int funcs_count; }; /* * struct adreno_debugbus_block - Holds info about debug buses of a chip * @block_id: Bus identifier * @dwords: Number of dwords of data that this block holds */ struct adreno_debugbus_block { unsigned int block_id; unsigned int dwords; }; /* * struct adreno_snapshot_section_sizes - Structure holding the size of * different sections dumped during device snapshot * @cp_pfp: CP PFP data section size * @cp_me: CP ME data section size * @vpc_mem: VPC memory section size * @cp_meq: CP MEQ size * @shader_mem: Size of shader memory of 1 shader section * @cp_merciu: CP MERCIU size * @roq: ROQ size */ struct adreno_snapshot_sizes { int cp_pfp; int cp_me; int vpc_mem; int cp_meq; int shader_mem; int cp_merciu; int roq; }; /* * struct adreno_snapshot_data - Holds data used in snapshot * @sect_sizes: Has sections sizes */ struct adreno_snapshot_data { struct adreno_snapshot_sizes *sect_sizes; }; struct adreno_gpudev { /* * These registers are in a different location on different devices, * so define them in the structure and use them as variables. */ const struct adreno_reg_offsets *reg_offsets; const struct adreno_ft_perf_counters *ft_perf_counters; unsigned int ft_perf_counters_count; struct adreno_perfcounters *perfcounters; const struct adreno_invalid_countables *invalid_countables; struct adreno_snapshot_data *snapshot_data; struct adreno_coresight *coresight; struct adreno_irq *irq; int num_prio_levels; unsigned int vbif_xin_halt_ctrl0_mask; /* GPU specific function hooks */ void (*irq_trace)(struct adreno_device *, unsigned int status); void (*snapshot)(struct adreno_device *, struct kgsl_snapshot *); void (*platform_setup)(struct adreno_device *); int (*rb_init)(struct adreno_device *, struct adreno_ringbuffer *); int (*hw_init)(struct adreno_device *); int (*switch_to_unsecure_mode)(struct adreno_device *, struct adreno_ringbuffer *); int (*microcode_read)(struct adreno_device *); int (*microcode_load)(struct adreno_device *, unsigned int start_type); void (*perfcounter_init)(struct adreno_device *); void (*perfcounter_close)(struct adreno_device *); void (*start)(struct adreno_device *); bool (*is_sptp_idle)(struct adreno_device *); int (*regulator_enable)(struct adreno_device *); void (*regulator_disable)(struct adreno_device *); void (*pwrlevel_change_settings)(struct adreno_device *, unsigned int prelevel, unsigned int postlevel, bool post); int (*preemption_pre_ibsubmit)(struct adreno_device *, struct adreno_ringbuffer *, unsigned int *, struct kgsl_context *, uint64_t cond_addr, struct kgsl_memobj_node *); int (*preemption_post_ibsubmit)(struct adreno_device *, struct adreno_ringbuffer *, unsigned int *, struct kgsl_context *); int (*preemption_token)(struct adreno_device *, struct adreno_ringbuffer *, unsigned int *, uint64_t gpuaddr); int (*preemption_init)(struct adreno_device *); void (*preemption_schedule)(struct adreno_device *); void (*enable_64bit)(struct adreno_device *); void (*cp_crash_dumper_init)(struct adreno_device *); }; struct log_field { bool show; const char *display; }; /** * enum kgsl_ft_policy_bits - KGSL fault tolerance policy bits * @KGSL_FT_OFF: Disable fault detection (not used) * @KGSL_FT_REPLAY: Replay the faulting command * @KGSL_FT_SKIPIB: Skip the faulting indirect buffer * @KGSL_FT_SKIPFRAME: Skip the frame containing the faulting IB * @KGSL_FT_DISABLE: Tells the dispatcher to disable FT for the command batch * @KGSL_FT_TEMP_DISABLE: Disables FT for all commands * @KGSL_FT_THROTTLE: Disable the context if it faults too often * @KGSL_FT_SKIPCMD: Skip the command containing the faulting IB */ enum kgsl_ft_policy_bits { KGSL_FT_OFF = 0, KGSL_FT_REPLAY = 1, KGSL_FT_SKIPIB = 2, KGSL_FT_SKIPFRAME = 3, KGSL_FT_DISABLE = 4, KGSL_FT_TEMP_DISABLE = 5, KGSL_FT_THROTTLE = 6, KGSL_FT_SKIPCMD = 7, /* KGSL_FT_MAX_BITS is used to calculate the mask */ KGSL_FT_MAX_BITS, /* Internal bits - set during GFT */ /* Skip the PM dump on replayed command batches */ KGSL_FT_SKIP_PMDUMP = 31, }; #define KGSL_FT_POLICY_MASK GENMASK(KGSL_FT_MAX_BITS - 1, 0) #define KGSL_FT_DEFAULT_POLICY \ (BIT(KGSL_FT_REPLAY) | \ BIT(KGSL_FT_SKIPCMD) | \ BIT(KGSL_FT_THROTTLE)) #define ADRENO_FT_TYPES \ { BIT(KGSL_FT_OFF), "off" }, \ { BIT(KGSL_FT_REPLAY), "replay" }, \ { BIT(KGSL_FT_SKIPIB), "skipib" }, \ { BIT(KGSL_FT_SKIPFRAME), "skipframe" }, \ { BIT(KGSL_FT_DISABLE), "disable" }, \ { BIT(KGSL_FT_TEMP_DISABLE), "temp" }, \ { BIT(KGSL_FT_THROTTLE), "throttle"}, \ { BIT(KGSL_FT_SKIPCMD), "skipcmd" } /** * enum kgsl_ft_pagefault_policy_bits - KGSL pagefault policy bits * @KGSL_FT_PAGEFAULT_INT_ENABLE: No longer used, but retained for compatibility * @KGSL_FT_PAGEFAULT_GPUHALT_ENABLE: enable GPU halt on pagefaults * @KGSL_FT_PAGEFAULT_LOG_ONE_PER_PAGE: log one pagefault per page * @KGSL_FT_PAGEFAULT_LOG_ONE_PER_INT: log one pagefault per interrupt */ enum { KGSL_FT_PAGEFAULT_INT_ENABLE = 0, KGSL_FT_PAGEFAULT_GPUHALT_ENABLE = 1, KGSL_FT_PAGEFAULT_LOG_ONE_PER_PAGE = 2, KGSL_FT_PAGEFAULT_LOG_ONE_PER_INT = 3, /* KGSL_FT_PAGEFAULT_MAX_BITS is used to calculate the mask */ KGSL_FT_PAGEFAULT_MAX_BITS, }; #define KGSL_FT_PAGEFAULT_MASK GENMASK(KGSL_FT_PAGEFAULT_MAX_BITS - 1, 0) #define KGSL_FT_PAGEFAULT_DEFAULT_POLICY 0 #define FOR_EACH_RINGBUFFER(_dev, _rb, _i) \ for ((_i) = 0, (_rb) = &((_dev)->ringbuffers[0]); \ (_i) < (_dev)->num_ringbuffers; \ (_i)++, (_rb)++) struct adreno_ft_perf_counters { unsigned int counter; unsigned int countable; }; extern unsigned int *adreno_ft_regs; extern unsigned int adreno_ft_regs_num; extern unsigned int *adreno_ft_regs_val; extern struct adreno_gpudev adreno_a3xx_gpudev; extern struct adreno_gpudev adreno_a4xx_gpudev; extern struct adreno_gpudev adreno_a5xx_gpudev; extern int adreno_wake_nice; extern unsigned int adreno_wake_timeout; long adreno_ioctl(struct kgsl_device_private *dev_priv, unsigned int cmd, unsigned long arg); long adreno_ioctl_helper(struct kgsl_device_private *dev_priv, unsigned int cmd, unsigned long arg, const struct kgsl_ioctl *cmds, int len); int adreno_spin_idle(struct kgsl_device *device); int adreno_idle(struct kgsl_device *device); bool adreno_isidle(struct kgsl_device *device); int adreno_set_constraint(struct kgsl_device *device, struct kgsl_context *context, struct kgsl_device_constraint *constraint); void adreno_shadermem_regread(struct kgsl_device *device, unsigned int offsetwords, unsigned int *value); unsigned int adreno_a3xx_rbbm_clock_ctl_default(struct adreno_device *adreno_dev); void adreno_snapshot(struct kgsl_device *device, struct kgsl_snapshot *snapshot, struct kgsl_context *context); int adreno_reset(struct kgsl_device *device, int fault); void adreno_fault_skipcmd_detached(struct kgsl_device *device, struct adreno_context *drawctxt, struct kgsl_cmdbatch *cmdbatch); int adreno_a3xx_pwron_fixup_init(struct adreno_device *adreno_dev); int adreno_a4xx_pwron_fixup_init(struct adreno_device *adreno_dev); int adreno_coresight_init(struct adreno_device *adreno_dev); void adreno_coresight_start(struct adreno_device *adreno_dev); void adreno_coresight_stop(struct adreno_device *adreno_dev); void adreno_coresight_remove(struct adreno_device *adreno_dev); bool adreno_hw_isidle(struct adreno_device *adreno_dev); int adreno_iommu_set_pt_ctx(struct adreno_ringbuffer *rb, struct kgsl_pagetable *new_pt, struct adreno_context *drawctxt); int adreno_iommu_init(struct adreno_device *adreno_dev); void adreno_iommu_set_pt_generate_rb_cmds(struct adreno_ringbuffer *rb, struct kgsl_pagetable *pt); void adreno_fault_detect_start(struct adreno_device *adreno_dev); void adreno_fault_detect_stop(struct adreno_device *adreno_dev); void adreno_hang_int_callback(struct adreno_device *adreno_dev, int bit); void adreno_cp_callback(struct adreno_device *adreno_dev, int bit); unsigned int adreno_iommu_set_pt_ib(struct adreno_ringbuffer *rb, unsigned int *cmds, struct kgsl_pagetable *pt); unsigned int adreno_iommu_set_pt_generate_cmds( struct adreno_ringbuffer *rb, unsigned int *cmds, struct kgsl_pagetable *pt); int adreno_sysfs_init(struct kgsl_device *device); void adreno_sysfs_close(struct kgsl_device *device); void adreno_irqctrl(struct adreno_device *adreno_dev, int state); long adreno_ioctl_perfcounter_get(struct kgsl_device_private *dev_priv, unsigned int cmd, void *data); long adreno_ioctl_perfcounter_put(struct kgsl_device_private *dev_priv, unsigned int cmd, void *data); int adreno_efuse_map(struct adreno_device *adreno_dev); int adreno_efuse_read_u32(struct adreno_device *adreno_dev, unsigned int offset, unsigned int *val); void adreno_efuse_unmap(struct adreno_device *adreno_dev); #define ADRENO_TARGET(_name, _id) \ static inline int adreno_is_##_name(struct adreno_device *adreno_dev) \ { \ return (ADRENO_GPUREV(adreno_dev) == (_id)); \ } static inline int adreno_is_a3xx(struct adreno_device *adreno_dev) { return ((ADRENO_GPUREV(adreno_dev) >= 300) && (ADRENO_GPUREV(adreno_dev) < 400)); } ADRENO_TARGET(a304, ADRENO_REV_A304) ADRENO_TARGET(a305, ADRENO_REV_A305) ADRENO_TARGET(a305b, ADRENO_REV_A305B) ADRENO_TARGET(a305c, ADRENO_REV_A305C) ADRENO_TARGET(a306, ADRENO_REV_A306) ADRENO_TARGET(a310, ADRENO_REV_A310) ADRENO_TARGET(a320, ADRENO_REV_A320) ADRENO_TARGET(a330, ADRENO_REV_A330) static inline int adreno_is_a330v2(struct adreno_device *adreno_dev) { return ((ADRENO_GPUREV(adreno_dev) == ADRENO_REV_A330) && (ADRENO_CHIPID_PATCH(adreno_dev->chipid) > 0)); } static inline int adreno_is_a330v21(struct adreno_device *adreno_dev) { return ((ADRENO_GPUREV(adreno_dev) == ADRENO_REV_A330) && (ADRENO_CHIPID_PATCH(adreno_dev->chipid) > 0xF)); } static inline int adreno_is_a4xx(struct adreno_device *adreno_dev) { return ADRENO_GPUREV(adreno_dev) >= 400 && ADRENO_GPUREV(adreno_dev) < 500; } ADRENO_TARGET(a405, ADRENO_REV_A405); static inline int adreno_is_a405v2(struct adreno_device *adreno_dev) { return (ADRENO_GPUREV(adreno_dev) == ADRENO_REV_A405) && (ADRENO_CHIPID_PATCH(adreno_dev->chipid) == 0x10); } ADRENO_TARGET(a418, ADRENO_REV_A418) ADRENO_TARGET(a420, ADRENO_REV_A420) ADRENO_TARGET(a430, ADRENO_REV_A430) static inline int adreno_is_a430v2(struct adreno_device *adreno_dev) { return ((ADRENO_GPUREV(adreno_dev) == ADRENO_REV_A430) && (ADRENO_CHIPID_PATCH(adreno_dev->chipid) == 1)); } static inline int adreno_is_a5xx(struct adreno_device *adreno_dev) { return ADRENO_GPUREV(adreno_dev) >= 500 && ADRENO_GPUREV(adreno_dev) < 600; } ADRENO_TARGET(a505, ADRENO_REV_A505) ADRENO_TARGET(a506, ADRENO_REV_A506) ADRENO_TARGET(a510, ADRENO_REV_A510) ADRENO_TARGET(a530, ADRENO_REV_A530) static inline int adreno_is_a530v1(struct adreno_device *adreno_dev) { return (ADRENO_GPUREV(adreno_dev) == ADRENO_REV_A530) && (ADRENO_CHIPID_PATCH(adreno_dev->chipid) == 0); } static inline int adreno_is_a530v2(struct adreno_device *adreno_dev) { return (ADRENO_GPUREV(adreno_dev) == ADRENO_REV_A530) && (ADRENO_CHIPID_PATCH(adreno_dev->chipid) == 1); } static inline int adreno_is_a530v3(struct adreno_device *adreno_dev) { return (ADRENO_GPUREV(adreno_dev) == ADRENO_REV_A530) && (ADRENO_CHIPID_PATCH(adreno_dev->chipid) == 2); } static inline int adreno_is_a505_or_a506(struct adreno_device *adreno_dev) { return ADRENO_GPUREV(adreno_dev) >= 505 && ADRENO_GPUREV(adreno_dev) <= 506; } /** * adreno_context_timestamp() - Return the last queued timestamp for the context * @k_ctxt: Pointer to the KGSL context to query * * Return the last queued context for the given context. This is used to verify * that incoming requests are not using an invalid (unsubmitted) timestamp */ static inline int adreno_context_timestamp(struct kgsl_context *k_ctxt) { struct adreno_context *drawctxt = ADRENO_CONTEXT(k_ctxt); return drawctxt->timestamp; } /* * adreno_checkreg_off() - Checks the validity of a register enum * @adreno_dev: Pointer to adreno device * @offset_name: The register enum that is checked */ static inline bool adreno_checkreg_off(struct adreno_device *adreno_dev, enum adreno_regs offset_name) { struct adreno_gpudev *gpudev = ADRENO_GPU_DEVICE(adreno_dev); if (offset_name >= ADRENO_REG_REGISTER_MAX || ADRENO_REG_UNUSED == gpudev->reg_offsets->offsets[offset_name]) BUG(); /* * GPU register programming is kept common as much as possible * across the cores, Use ADRENO_REG_SKIP when certain register * programming needs to be skipped for certain GPU cores. * Example: Certain registers on a5xx like IB1_BASE are 64 bit. * Common programming programs 64bit register but upper 32 bits * are skipped in a4xx and a3xx using ADRENO_REG_SKIP. */ if (ADRENO_REG_SKIP == gpudev->reg_offsets->offsets[offset_name]) return false; return true; } /* * adreno_readreg() - Read a register by getting its offset from the * offset array defined in gpudev node * @adreno_dev: Pointer to the the adreno device * @offset_name: The register enum that is to be read * @val: Register value read is placed here */ static inline void adreno_readreg(struct adreno_device *adreno_dev, enum adreno_regs offset_name, unsigned int *val) { struct adreno_gpudev *gpudev = ADRENO_GPU_DEVICE(adreno_dev); if (adreno_checkreg_off(adreno_dev, offset_name)) kgsl_regread(&adreno_dev->dev, gpudev->reg_offsets->offsets[offset_name], val); else *val = 0; } /* * adreno_writereg() - Write a register by getting its offset from the * offset array defined in gpudev node * @adreno_dev: Pointer to the the adreno device * @offset_name: The register enum that is to be written * @val: Value to write */ static inline void adreno_writereg(struct adreno_device *adreno_dev, enum adreno_regs offset_name, unsigned int val) { struct adreno_gpudev *gpudev = ADRENO_GPU_DEVICE(adreno_dev); if (adreno_checkreg_off(adreno_dev, offset_name)) kgsl_regwrite(&adreno_dev->dev, gpudev->reg_offsets->offsets[offset_name], val); } /* * adreno_getreg() - Returns the offset value of a register from the * register offset array in the gpudev node * @adreno_dev: Pointer to the the adreno device * @offset_name: The register enum whore offset is returned */ static inline unsigned int adreno_getreg(struct adreno_device *adreno_dev, enum adreno_regs offset_name) { struct adreno_gpudev *gpudev = ADRENO_GPU_DEVICE(adreno_dev); if (!adreno_checkreg_off(adreno_dev, offset_name)) return ADRENO_REG_REGISTER_MAX; return gpudev->reg_offsets->offsets[offset_name]; } /** * adreno_gpu_fault() - Return the current state of the GPU * @adreno_dev: A pointer to the adreno_device to query * * Return 0 if there is no fault or positive with the last type of fault that * occurred */ static inline unsigned int adreno_gpu_fault(struct adreno_device *adreno_dev) { smp_rmb(); return atomic_read(&adreno_dev->dispatcher.fault); } /** * adreno_set_gpu_fault() - Set the current fault status of the GPU * @adreno_dev: A pointer to the adreno_device to set * @state: fault state to set * */ static inline void adreno_set_gpu_fault(struct adreno_device *adreno_dev, int state) { /* only set the fault bit w/o overwriting other bits */ atomic_add(state, &adreno_dev->dispatcher.fault); smp_wmb(); } /** * adreno_clear_gpu_fault() - Clear the GPU fault register * @adreno_dev: A pointer to an adreno_device structure * * Clear the GPU fault status for the adreno device */ static inline void adreno_clear_gpu_fault(struct adreno_device *adreno_dev) { atomic_set(&adreno_dev->dispatcher.fault, 0); smp_wmb(); } /** * adreno_gpu_halt() - Return the GPU halt refcount * @adreno_dev: A pointer to the adreno_device */ static inline int adreno_gpu_halt(struct adreno_device *adreno_dev) { smp_rmb(); return atomic_read(&adreno_dev->halt); } /** * adreno_clear_gpu_halt() - Clear the GPU halt refcount * @adreno_dev: A pointer to the adreno_device */ static inline void adreno_clear_gpu_halt(struct adreno_device *adreno_dev) { atomic_set(&adreno_dev->halt, 0); smp_wmb(); } /** * adreno_get_gpu_halt() - Increment GPU halt refcount * @adreno_dev: A pointer to the adreno_device */ static inline void adreno_get_gpu_halt(struct adreno_device *adreno_dev) { atomic_inc(&adreno_dev->halt); } /** * adreno_put_gpu_halt() - Decrement GPU halt refcount * @adreno_dev: A pointer to the adreno_device */ static inline void adreno_put_gpu_halt(struct adreno_device *adreno_dev) { if (atomic_dec_return(&adreno_dev->halt) < 0) BUG(); } /* * adreno_vbif_start() - Program VBIF registers, called in device start * @adreno_dev: Pointer to device whose vbif data is to be programmed * @vbif_platforms: list register value pair of vbif for a family * of adreno cores * @num_platforms: Number of platforms contained in vbif_platforms */ static inline void adreno_vbif_start(struct adreno_device *adreno_dev, const struct adreno_vbif_platform *vbif_platforms, int num_platforms) { int i; const struct adreno_vbif_data *vbif = NULL; for (i = 0; i < num_platforms; i++) { if (vbif_platforms[i].devfunc(adreno_dev)) { vbif = vbif_platforms[i].vbif; break; } } while ((vbif != NULL) && (vbif->reg != 0)) { kgsl_regwrite(&adreno_dev->dev, vbif->reg, vbif->val); vbif++; } } /** * adreno_set_protected_registers() - Protect the specified range of registers * from being accessed by the GPU * @adreno_dev: pointer to the Adreno device * @index: Pointer to the index of the protect mode register to write to * @reg: Starting dword register to write * @mask_len: Size of the mask to protect (# of registers = 2 ** mask_len) * * Add the range of registers to the list of protected mode registers that will * cause an exception if the GPU accesses them. There are 16 available * protected mode registers. Index is used to specify which register to write * to - the intent is to call this function multiple times with the same index * pointer for each range and the registers will be magically programmed in * incremental fashion */ static inline void adreno_set_protected_registers( struct adreno_device *adreno_dev, unsigned int *index, unsigned int reg, int mask_len) { unsigned int val; unsigned int base = adreno_getreg(adreno_dev, ADRENO_REG_CP_PROTECT_REG_0); unsigned int offset = *index; if (adreno_dev->gpucore->num_protected_regs) BUG_ON(*index >= adreno_dev->gpucore->num_protected_regs); else BUG_ON(*index >= 16); /* * On A4XX targets with more than 16 protected mode registers * the upper registers are not contiguous with the lower 16 * registers so we have to adjust the base and offset accordingly */ if (adreno_is_a4xx(adreno_dev) && *index >= 0x10) { base = A4XX_CP_PROTECT_REG_10; offset = *index - 0x10; } val = 0x60000000 | ((mask_len & 0x1F) << 24) | ((reg << 2) & 0xFFFFF); kgsl_regwrite(&adreno_dev->dev, base + offset, val); *index = *index + 1; } #ifdef CONFIG_DEBUG_FS void adreno_debugfs_init(struct adreno_device *adreno_dev); void adreno_context_debugfs_init(struct adreno_device *, struct adreno_context *); #else static inline void adreno_debugfs_init(struct adreno_device *adreno_dev) { } static inline void adreno_context_debugfs_init(struct adreno_device *device, struct adreno_context *context) { } #endif /** * adreno_compare_pm4_version() - Compare the PM4 microcode version * @adreno_dev: Pointer to the adreno_device struct * @version: Version number to compare again * * Compare the current version against the specified version and return -1 if * the current code is older, 0 if equal or 1 if newer. */ static inline int adreno_compare_pm4_version(struct adreno_device *adreno_dev, unsigned int version) { if (adreno_dev->pm4_fw_version == version) return 0; return (adreno_dev->pm4_fw_version > version) ? 1 : -1; } /** * adreno_compare_pfp_version() - Compare the PFP microcode version * @adreno_dev: Pointer to the adreno_device struct * @version: Version number to compare against * * Compare the current version against the specified version and return -1 if * the current code is older, 0 if equal or 1 if newer. */ static inline int adreno_compare_pfp_version(struct adreno_device *adreno_dev, unsigned int version) { if (adreno_dev->pfp_fw_version == version) return 0; return (adreno_dev->pfp_fw_version > version) ? 1 : -1; } /* * adreno_bootstrap_ucode() - Checks if Ucode bootstrapping is supported * @adreno_dev: Pointer to the the adreno device */ static inline int adreno_bootstrap_ucode(struct adreno_device *adreno_dev) { return (ADRENO_FEATURE(adreno_dev, ADRENO_USE_BOOTSTRAP) && adreno_compare_pfp_version(adreno_dev, adreno_dev->gpucore->pfp_bstrp_ver) >= 0) ? 1 : 0; } /** * adreno_preempt_state() - Check if preemption state is equal to given state * @adreno_dev: Device whose preemption state is checked * @state: State to compare against */ static inline unsigned int adreno_preempt_state( struct adreno_device *adreno_dev, enum adreno_dispatcher_preempt_states state) { return atomic_read(&adreno_dev->dispatcher.preemption_state) == state; } /** * adreno_get_rptr() - Get the current ringbuffer read pointer * @rb: Pointer the ringbuffer to query * * Get the current read pointer from the GPU register. */ static inline unsigned int adreno_get_rptr(struct adreno_ringbuffer *rb) { struct adreno_device *adreno_dev = ADRENO_DEVICE(rb->device); if (adreno_dev->cur_rb == rb && adreno_preempt_state(adreno_dev, ADRENO_DISPATCHER_PREEMPT_CLEAR)) adreno_readreg(adreno_dev, ADRENO_REG_CP_RB_RPTR, &(rb->rptr)); return rb->rptr; } static inline bool adreno_is_preemption_enabled( struct adreno_device *adreno_dev) { return test_bit(ADRENO_DEVICE_PREEMPTION, &adreno_dev->priv); } /** * adreno_ctx_get_rb() - Return the ringbuffer that a context should * use based on priority * @adreno_dev: The adreno device that context is using * @drawctxt: The context pointer */ static inline struct adreno_ringbuffer *adreno_ctx_get_rb( struct adreno_device *adreno_dev, struct adreno_context *drawctxt) { struct kgsl_context *context; int level; if (!drawctxt) return NULL; context = &(drawctxt->base); /* * If preemption is disabled then everybody needs to go on the same * ringbuffer */ if (!adreno_is_preemption_enabled(adreno_dev)) return &(adreno_dev->ringbuffers[0]); /* * Math to convert the priority field in context structure to an RB ID. * Divide up the context priority based on number of ringbuffer levels. */ level = context->priority / adreno_dev->num_ringbuffers; if (level < adreno_dev->num_ringbuffers) return &(adreno_dev->ringbuffers[level]); else return &(adreno_dev->ringbuffers[ adreno_dev->num_ringbuffers - 1]); } /* * adreno_set_active_ctxs_null() - Put back reference to any active context * and set the active context to NULL * @adreno_dev: The adreno device */ static inline void adreno_set_active_ctxs_null(struct adreno_device *adreno_dev) { int i; struct adreno_ringbuffer *rb; FOR_EACH_RINGBUFFER(adreno_dev, rb, i) { if (rb->drawctxt_active) kgsl_context_put(&(rb->drawctxt_active->base)); rb->drawctxt_active = NULL; kgsl_sharedmem_writel(rb->device, &rb->pagetable_desc, offsetof(struct adreno_ringbuffer_pagetable_info, current_rb_ptname), 0); } } /* * adreno_compare_prio_level() - Compares 2 priority levels based on enum values * @p1: First priority level * @p2: Second priority level * * Returns greater than 0 if p1 is higher priority, 0 if levels are equal else * less than 0 */ static inline int adreno_compare_prio_level(int p1, int p2) { return p2 - p1; } void adreno_readreg64(struct adreno_device *adreno_dev, enum adreno_regs lo, enum adreno_regs hi, uint64_t *val); void adreno_writereg64(struct adreno_device *adreno_dev, enum adreno_regs lo, enum adreno_regs hi, uint64_t val); unsigned int adreno_iommu_set_apriv(struct adreno_device *adreno_dev, unsigned int *cmds, int set); static inline bool adreno_soft_fault_detect(struct adreno_device *adreno_dev) { return adreno_dev->fast_hang_detect && !test_bit(ADRENO_DEVICE_ISDB_ENABLED, &adreno_dev->priv); } static inline bool adreno_long_ib_detect(struct adreno_device *adreno_dev) { return adreno_dev->long_ib_detect && !test_bit(ADRENO_DEVICE_ISDB_ENABLED, &adreno_dev->priv); } #endif /*__ADRENO_H */